package fuxi;

import java.util.Scanner;

public class demo3 {
    public static void main(String[] args) {
    int sum = 0;
    for (int i = 1; i <= 100; i++) {
        if (i % 2!= 0) {
            sum += i;
        }
    }
    System.out.println("1 到 100 的奇数之和为：" + sum);
}
}





